The Impact of Semantic Class Identification and Semantic Role Labeling on Natural Language Answer Extraction.
Bahadorreza OfoghiJohn YearwoodLiping MaPublished in: ECIR (2008)
Keyphrases
- semantic role labeling
- semantic roles
- answer extraction
- natural language
- question answering
- syntactic information
- relation extraction
- semantic information
- semantic analysis
- dependency parsing
- parse tree
- question answering systems
- information extraction
- semantic representation
- natural language processing
- information retrieval
- natural language text
- semantic features
- machine learning
- word sense disambiguation
- semantic relations
- probabilistic model
- named entities
- search engine
- qa systems
- language model